RRB Technician Grade 3 previous year question
_______________ is a process in which persistent, non-degradable chemicals become progressively more concentrated at each higher trophic level in a food chain.
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 3) · Science
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Correct answer: (A) Biological magnification
The progressive concentration of non-degradable pollutants at successively higher trophic levels is known as biological magnification.
हिंदी में प्रश्न
_____________ एक ऐसी प्रक्रिया है, जिसमें खाद्य श्रृंखला में प्रत्येक उच्च पोषी स्तर पर दीर्घस्थायी, गैर-अपघटनीय रसायनों की सांद्रता उत्तरोत्तर बढ़ती जाती है।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) जैविक आवर्धन (Biological magnification)
अनिम्नीकरणीय प्रदूषकों की उच्चतर पोषी स्तरों पर क्रमिक सांद्रता को जैव आवर्धन (biological magnification) कहते हैं।
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